The money that is deposited is represented by a positive integer because it is adding money to the account.
The money that is withdrawn is represented by a negative integer because it is subtracting money.
Amount deposited = $5,000
Amount withdrawn = $3,150
The balance in Max's account = 5,000 + (-3150)
= 5,000 – 3150
So, Max has $1850 left in his bank account after withdrawing money for his vacation.